hedera-web/web/forms/cms/contact/send-data.php

<?php

session_start ();

$params = array
(
	 'name'
	,'pc'
	,'phone'
	,'email'
	,'message'
	,'captcha'
);

$paramsOk = TRUE;

foreach ($params as $param)
if (!isset ($_POST[$param]) || $_POST[$param] == '')
{
	$paramsOk = FALSE;
	break;
}

header ('Content-Type: application/json');

if ($paramsOk && isset ($_SESSION['captcha'])
&& $_POST['captcha'] == $_SESSION['captcha'])
{
	mail ('comunicacion@verdnatura.es', 'Verdnatura', print_r ($_POST, TRUE),
		'From: Verdnatura <www-data@verdnatura.es>');

	echo json_encode (TRUE);
}
else
	echo json_encode (FALSE);

unset ($_SESSION['captcha']);

?>